#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#ifdef PANORAMIX_DEBUG
#include <stdio.h>
int ProcInitialConnection();
#endif
#include "windowstr.h"
#include <X11/fonts/fontstruct.h>
#include "dixfontstr.h"
#include "gcstruct.h"
#include "selection.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "scrnintstr.h"
#include "opaque.h"
#include "input.h"
#include "servermd.h"
#include "extnsionst.h"
#include "dixfont.h"
#include "dispatch.h"
#include "swaprep.h"
#include "swapreq.h"
#ifdef PANORAMIX
#include "panoramiX.h"
#include "panoramiXsrv.h"
#endif
#include "xace.h"
#ifdef XAPPGROUP
#include "appgroup.h"
#endif
#ifdef XKB
#ifndef XKB_IN_SERVER
#define XKB_IN_SERVER
#endif
#include "inputstr.h"
#include <xkbsrv.h>
#endif
#ifdef XSERVER_DTRACE
#include <sys/types.h>
typedef const char *string;
#include "Xserver-dtrace.h"
char *RequestNames[256];
static void LoadRequestNames(void);
static void FreeRequestNames(void);
#define GetRequestName(i) (RequestNames[i])
#endif
#define mskcnt ((MAXCLIENTS + 31) / 32)
#define BITMASK(i) (1U << ((i) & 31))
#define MASKIDX(i) ((i) >> 5)
#define MASKWORD(buf, i) buf[MASKIDX(i)]
#define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i)
#define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
#define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
extern xConnSetupPrefix connSetupPrefix;
extern char *ConnectionInfo;
_X_EXPORT Selection *CurrentSelections;
_X_EXPORT int NumCurrentSelections;
CallbackListPtr SelectionCallback = NULL;
static ClientPtr grabClient;
#define GrabNone 0
#define GrabActive 1
#define GrabKickout 2
static int grabState = GrabNone;
static long grabWaiters[mskcnt];
_X_EXPORT CallbackListPtr ServerGrabCallback = NULL;
HWEventQueuePtr checkForInput[2];
extern int connBlockScreenStart;
static void KillAllClients(void);
static void DeleteClientFromAnySelections(ClientPtr client);
static int nextFreeClientID;
static int nClients;
_X_EXPORT CallbackListPtr ClientStateCallback;
_X_EXPORT volatile char dispatchException = 0;
_X_EXPORT volatile char isItTimeToYield;
XID clientErrorValue;
#define SAME_SCREENS(a, b) (\
(a.pScreen == b.pScreen))
_X_EXPORT void
SetInputCheck(HWEventQueuePtr c0, HWEventQueuePtr c1)
{
checkForInput[0] = c0;
checkForInput[1] = c1;
}
_X_EXPORT void
UpdateCurrentTime(void)
{
TimeStamp systime;
systime.months = currentTime.months;
systime.milliseconds = GetTimeInMillis();
if (systime.milliseconds < currentTime.milliseconds)
systime.months++;
if (*checkForInput[0] != *checkForInput[1])
ProcessInputEvents();
if (CompareTimeStamps(systime, currentTime) == LATER)
currentTime = systime;
}
_X_EXPORT void
UpdateCurrentTimeIf(void)
{
TimeStamp systime;
systime.months = currentTime.months;
systime.milliseconds = GetTimeInMillis();
if (systime.milliseconds < currentTime.milliseconds)
systime.months++;
if (*checkForInput[0] == *checkForInput[1])
currentTime = systime;
}
void
InitSelections(void)
{
if (CurrentSelections)
xfree(CurrentSelections);
CurrentSelections = (Selection *)NULL;
NumCurrentSelections = 0;
}
void
FlushClientCaches(XID id)
{
int i;
ClientPtr client;
client = clients[CLIENT_ID(id)];
if (client == NullClient)
return ;
for (i=0; i<currentMaxClients; i++)
{
client = clients[i];
if (client != NullClient)
{
if (client->lastDrawableID == id)
{
client->lastDrawableID = WindowTable[0]->drawable.id;
client->lastDrawable = (DrawablePtr)WindowTable[0];
}
else if (client->lastGCID == id)
{
client->lastGCID = INVALID;
client->lastGC = (GCPtr)NULL;
}
}
}
}
#ifdef SMART_SCHEDULE
#undef SMART_DEBUG
#define SMART_SCHEDULE_DEFAULT_INTERVAL 20
#define SMART_SCHEDULE_MAX_SLICE 200
Bool SmartScheduleDisable = FALSE;
long SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL;
long SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL;
long SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE;
long SmartScheduleTime;
static ClientPtr SmartLastClient;
static int SmartLastIndex[SMART_MAX_PRIORITY-SMART_MIN_PRIORITY+1];
#ifdef SMART_DEBUG
long SmartLastPrint;
#endif
void Dispatch(void);
void InitProcVectors(void);
static int
SmartScheduleClient (int *clientReady, int nready)
{
ClientPtr pClient;
int i;
int client;
int bestPrio, best = 0;
int bestRobin, robin;
long now = SmartScheduleTime;
long idle;
bestPrio = -0x7fffffff;
bestRobin = 0;
idle = 2 * SmartScheduleSlice;
for (i = 0; i < nready; i++)
{
client = clientReady[i];
pClient = clients[client];
if ((now - pClient->smart_check_tick) >= idle)
{
if (pClient->smart_priority < 0)
pClient->smart_priority++;
}
pClient->smart_check_tick = now;
robin = (pClient->index - SmartLastIndex[pClient->smart_priority-SMART_MIN_PRIORITY]) & 0xff;
if (pClient->smart_priority > bestPrio ||
(pClient->smart_priority == bestPrio && robin > bestRobin))
{
bestPrio = pClient->smart_priority;
bestRobin = robin;
best = client;
}
#ifdef SMART_DEBUG
if ((now - SmartLastPrint) >= 5000)
fprintf (stderr, " %2d: %3d", client, pClient->smart_priority);
#endif
}
#ifdef SMART_DEBUG
if ((now - SmartLastPrint) >= 5000)
{
fprintf (stderr, " use %2d\n", best);
SmartLastPrint = now;
}
#endif
pClient = clients[best];
SmartLastIndex[bestPrio-SMART_MIN_PRIORITY] = pClient->index;
if (SmartLastClient != pClient)
{
pClient->smart_start_tick = now;
SmartLastClient = pClient;
}
if (nready == 1)
{
if ((now - pClient->smart_start_tick) > 1000 &&
SmartScheduleSlice < SmartScheduleMaxSlice)
{
SmartScheduleSlice += SmartScheduleInterval;
}
}
else
{
SmartScheduleSlice = SmartScheduleInterval;
}
return best;
}
#endif
#define MAJOROP ((xReq *)client->requestBuffer)->reqType
void
Dispatch(void)
{
int *clientReady;
int result;
ClientPtr client;
int nready;
HWEventQueuePtr* icheck = checkForInput;
#ifdef SMART_SCHEDULE
long start_tick;
#endif
nextFreeClientID = 1;
InitSelections();
nClients = 0;
clientReady = (int *) xalloc(sizeof(int) * MaxClients);
if (!clientReady)
return;
#ifdef XSERVER_DTRACE
LoadRequestNames();
#endif
while (!dispatchException)
{
if (*icheck[0] != *icheck[1])
{
ProcessInputEvents();
FlushIfCriticalOutputPending();
}
nready = WaitForSomething(clientReady);
#ifdef SMART_SCHEDULE
if (nready && !SmartScheduleDisable)
{
clientReady[0] = SmartScheduleClient (clientReady, nready);
nready = 1;
}
#endif
while (!dispatchException && (--nready >= 0))
{
client = clients[clientReady[nready]];
if (! client)
{
continue;
}
if (grabState == GrabKickout)
{
grabState = GrabActive;
break;
}
isItTimeToYield = FALSE;
requestingClient = client;
#ifdef SMART_SCHEDULE
start_tick = SmartScheduleTime;
#endif
while (!isItTimeToYield)
{
if (*icheck[0] != *icheck[1])
{
ProcessInputEvents();
FlushIfCriticalOutputPending();
}
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable &&
(SmartScheduleTime - start_tick) >= SmartScheduleSlice)
{
if (client->smart_priority > SMART_MIN_PRIORITY)
client->smart_priority--;
break;
}
#endif
result = ReadRequestFromClient(client);
if (result <= 0)
{
if (result < 0)
CloseDownClient(client);
break;
}
client->sequence++;
#ifdef DEBUG
if (client->requestLogIndex == MAX_REQUEST_LOG)
client->requestLogIndex = 0;
client->requestLog[client->requestLogIndex] = MAJOROP;
client->requestLogIndex++;
#endif
#ifdef XSERVER_DTRACE
XSERVER_REQUEST_START(GetRequestName(MAJOROP), MAJOROP,
((xReq *)client->requestBuffer)->length,
client->index, client->requestBuffer);
#endif
if (result > (maxBigRequestSize << 2))
result = BadLength;
else {
XaceHook(XACE_AUDIT_BEGIN, client);
result = (* client->requestVector[MAJOROP])(client);
XaceHook(XACE_AUDIT_END, client, result);
}
#ifdef XSERVER_DTRACE
XSERVER_REQUEST_DONE(GetRequestName(MAJOROP), MAJOROP,
client->sequence, client->index, result);
#endif
if (result != Success)
{
if (client->noClientException != Success)
CloseDownClient(client);
else
SendErrorToClient(client, MAJOROP,
MinorOpcodeOfRequest(client),
client->errorValue, result);
break;
}
#ifdef DAMAGEEXT
FlushIfCriticalOutputPending ();
#endif
}
FlushAllOutput();
#ifdef SMART_SCHEDULE
client = clients[clientReady[nready]];
if (client)
client->smart_stop_tick = SmartScheduleTime;
#endif
requestingClient = NULL;
}
dispatchException &= ~DE_PRIORITYCHANGE;
}
#if defined(DDXBEFORERESET)
ddxBeforeReset ();
#endif
KillAllClients();
xfree(clientReady);
dispatchException &= ~DE_RESET;
#ifdef XSERVER_DTRACE
FreeRequestNames();
#endif
}
#undef MAJOROP
_X_EXPORT int
ProcBadRequest(ClientPtr client)
{
return (BadRequest);
}
int
ProcCreateWindow(ClientPtr client)
{
WindowPtr pParent, pWin;
REQUEST(xCreateWindowReq);
int result, len, rc;
REQUEST_AT_LEAST_SIZE(xCreateWindowReq);
LEGAL_NEW_RESOURCE(stuff->wid, client);
rc = dixLookupWindow(&pParent, stuff->parent, client, DixWriteAccess);
if (rc != Success)
return rc;
len = client->req_len - (sizeof(xCreateWindowReq) >> 2);
if (Ones(stuff->mask) != len)
return BadLength;
if (!stuff->width || !stuff->height)
{
client->errorValue = 0;
return BadValue;
}
pWin = CreateWindow(stuff->wid, pParent, stuff->x,
stuff->y, stuff->width, stuff->height,
stuff->borderWidth, stuff->class,
stuff->mask, (XID *) &stuff[1],
(int)stuff->depth,
client, stuff->visual, &result);
if (pWin)
{
Mask mask = pWin->eventMask;
pWin->eventMask = 0;
if (!AddResource(stuff->wid, RT_WINDOW, (pointer)pWin))
return BadAlloc;
pWin->eventMask = mask;
}
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
int
ProcChangeWindowAttributes(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xChangeWindowAttributesReq);
int result;
int len, rc;
REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
if (rc != Success)
return rc;
len = client->req_len - (sizeof(xChangeWindowAttributesReq) >> 2);
if (len != Ones(stuff->valueMask))
return BadLength;
result = ChangeWindowAttributes(pWin,
stuff->valueMask,
(XID *) &stuff[1],
client);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
int
ProcGetWindowAttributes(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
xGetWindowAttributesReply wa;
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
GetWindowAttributes(pWin, client, &wa);
WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa);
return(client->noClientException);
}
int
ProcDestroyWindow(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess);
if (rc != Success)
return rc;
if (pWin->parent)
FreeResource(stuff->id, RT_NONE);
return(client->noClientException);
}
int
ProcDestroySubwindows(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess);
if (rc != Success)
return rc;
DestroySubwindows(pWin, client);
return(client->noClientException);
}
int
ProcChangeSaveSet(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xChangeSaveSetReq);
int result, rc;
REQUEST_SIZE_MATCH(xChangeSaveSetReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
if (rc != Success)
return rc;
if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id)))
return BadMatch;
if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete))
{
result = AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
else
{
client->errorValue = stuff->mode;
return( BadValue );
}
}
int
ProcReparentWindow(ClientPtr client)
{
WindowPtr pWin, pParent;
REQUEST(xReparentWindowReq);
int result, rc;
REQUEST_SIZE_MATCH(xReparentWindowReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
if (rc != Success)
return rc;
rc = dixLookupWindow(&pParent, stuff->parent, client, DixWriteAccess);
if (rc != Success)
return rc;
if (SAME_SCREENS(pWin->drawable, pParent->drawable))
{
if ((pWin->backgroundState == ParentRelative) &&
(pParent->drawable.depth != pWin->drawable.depth))
return BadMatch;
if ((pWin->drawable.class != InputOnly) &&
(pParent->drawable.class == InputOnly))
return BadMatch;
result = ReparentWindow(pWin, pParent,
(short)stuff->x, (short)stuff->y, client);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
else
return (BadMatch);
}
int
ProcMapWindow(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
MapWindow(pWin, client);
return(client->noClientException);
}
int
ProcMapSubwindows(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
MapSubwindows(pWin, client);
return(client->noClientException);
}
int
ProcUnmapWindow(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
UnmapWindow(pWin, FALSE);
return(client->noClientException);
}
int
ProcUnmapSubwindows(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xResourceReq);
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
UnmapSubwindows(pWin);
return(client->noClientException);
}
int
ProcConfigureWindow(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xConfigureWindowReq);
int result;
int len, rc;
REQUEST_AT_LEAST_SIZE(xConfigureWindowReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
if (rc != Success)
return rc;
len = client->req_len - (sizeof(xConfigureWindowReq) >> 2);
if (Ones((Mask)stuff->mask) != len)
return BadLength;
result = ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1],
client);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
int
ProcCirculateWindow(ClientPtr client)
{
WindowPtr pWin;
REQUEST(xCirculateWindowReq);
int rc;
REQUEST_SIZE_MATCH(xCirculateWindowReq);
if ((stuff->direction != RaiseLowest) &&
(stuff->direction != LowerHighest))
{
client->errorValue = stuff->direction;
return BadValue;
}
rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
if (rc != Success)
return rc;
CirculateWindow(pWin, (int)stuff->direction, client);
return(client->noClientException);
}
static int
GetGeometry(ClientPtr client, xGetGeometryReply *rep)
{
DrawablePtr pDraw;
int rc;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixReadAccess);
if (rc != Success)
return rc;
rep->type = X_Reply;
rep->length = 0;
rep->sequenceNumber = client->sequence;
rep->root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
rep->depth = pDraw->depth;
rep->width = pDraw->width;
rep->height = pDraw->height;
if ((pDraw->type == UNDRAWABLE_WINDOW) ||
((pDraw->type == DRAWABLE_WINDOW) && (stuff->id == pDraw->id)))
{
WindowPtr pWin = (WindowPtr)pDraw;
rep->x = pWin->origin.x - wBorderWidth (pWin);
rep->y = pWin->origin.y - wBorderWidth (pWin);
rep->borderWidth = pWin->borderWidth;
}
else
{
rep->x = rep->y = rep->borderWidth = 0;
}
return Success;
}
int
ProcGetGeometry(ClientPtr client)
{
xGetGeometryReply rep;
int status;
if ((status = GetGeometry(client, &rep)) != Success)
return status;
WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep);
return(client->noClientException);
}
int
ProcQueryTree(ClientPtr client)
{
xQueryTreeReply reply;
int rc, numChildren = 0;
WindowPtr pChild, pWin, pHead;
Window *childIDs = (Window *)NULL;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
reply.type = X_Reply;
reply.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
reply.sequenceNumber = client->sequence;
if (pWin->parent)
reply.parent = pWin->parent->drawable.id;
else
reply.parent = (Window)None;
pHead = RealChildHead(pWin);
for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
numChildren++;
if (numChildren)
{
int curChild = 0;
childIDs = (Window *) xalloc(numChildren * sizeof(Window));
if (!childIDs)
return BadAlloc;
for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
childIDs[curChild++] = pChild->drawable.id;
}
reply.nChildren = numChildren;
reply.length = (numChildren * sizeof(Window)) >> 2;
WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply);
if (numChildren)
{
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, numChildren * sizeof(Window), childIDs);
xfree(childIDs);
}
return(client->noClientException);
}
int
ProcInternAtom(ClientPtr client)
{
Atom atom;
char *tchar;
REQUEST(xInternAtomReq);
REQUEST_FIXED_SIZE(xInternAtomReq, stuff->nbytes);
if ((stuff->onlyIfExists != xTrue) && (stuff->onlyIfExists != xFalse))
{
client->errorValue = stuff->onlyIfExists;
return(BadValue);
}
tchar = (char *) &stuff[1];
atom = MakeAtom(tchar, stuff->nbytes, !stuff->onlyIfExists);
if (atom != BAD_RESOURCE)
{
xInternAtomReply reply;
reply.type = X_Reply;
reply.length = 0;
reply.sequenceNumber = client->sequence;
reply.atom = atom;
WriteReplyToClient(client, sizeof(xInternAtomReply), &reply);
return(client->noClientException);
}
else
return (BadAlloc);
}
int
ProcGetAtomName(ClientPtr client)
{
char *str;
xGetAtomNameReply reply;
int len;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
if ( (str = NameForAtom(stuff->id)) )
{
len = strlen(str);
reply.type = X_Reply;
reply.length = (len + 3) >> 2;
reply.sequenceNumber = client->sequence;
reply.nameLength = len;
WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply);
(void)WriteToClient(client, len, str);
return(client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadAtom);
}
}
int
ProcSetSelectionOwner(ClientPtr client)
{
WindowPtr pWin;
TimeStamp time;
REQUEST(xSetSelectionOwnerReq);
REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
UpdateCurrentTime();
time = ClientTimeToServerTime(stuff->time);
if (CompareTimeStamps(time, currentTime) == LATER)
return Success;
if (stuff->window != None)
{
int rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
if (rc != Success)
return rc;
}
else
pWin = (WindowPtr)None;
if (ValidAtom(stuff->selection))
{
int i = 0;
while ((i < NumCurrentSelections) &&
CurrentSelections[i].selection != stuff->selection)
i++;
if (i < NumCurrentSelections)
{
xEvent event;
if (CompareTimeStamps(time, CurrentSelections[i].lastTimeChanged)
== EARLIER)
return Success;
if (CurrentSelections[i].client &&
(!pWin || (CurrentSelections[i].client != client)))
{
event.u.u.type = SelectionClear;
event.u.selectionClear.time = time.milliseconds;
event.u.selectionClear.window = CurrentSelections[i].window;
event.u.selectionClear.atom = CurrentSelections[i].selection;
(void) TryClientEvents (CurrentSelections[i].client, &event, 1,
NoEventMask, NoEventMask ,
NullGrab);
}
}
else
{
Selection *newsels;
if (i == 0)
newsels = (Selection *)xalloc(sizeof(Selection));
else
newsels = (Selection *)xrealloc(CurrentSelections,
(NumCurrentSelections + 1) * sizeof(Selection));
if (!newsels)
return BadAlloc;
NumCurrentSelections++;
CurrentSelections = newsels;
CurrentSelections[i].selection = stuff->selection;
}
CurrentSelections[i].lastTimeChanged = time;
CurrentSelections[i].window = stuff->window;
CurrentSelections[i].pWin = pWin;
CurrentSelections[i].client = (pWin ? client : NullClient);
if (SelectionCallback)
{
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.kind= SelectionSetOwner;
CallCallbacks(&SelectionCallback, &info);
}
return (client->noClientException);
}
else
{
client->errorValue = stuff->selection;
return (BadAtom);
}
}
int
ProcGetSelectionOwner(ClientPtr client)
{
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
if (ValidAtom(stuff->id))
{
int i;
xGetSelectionOwnerReply reply;
i = 0;
while ((i < NumCurrentSelections) &&
CurrentSelections[i].selection != stuff->id) i++;
reply.type = X_Reply;
reply.length = 0;
reply.sequenceNumber = client->sequence;
if (i < NumCurrentSelections)
reply.owner = CurrentSelections[i].window;
else
reply.owner = None;
WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply);
return(client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadAtom);
}
}
int
ProcConvertSelection(ClientPtr client)
{
Bool paramsOkay;
xEvent event;
WindowPtr pWin;
REQUEST(xConvertSelectionReq);
int rc;
REQUEST_SIZE_MATCH(xConvertSelectionReq);
rc = dixLookupWindow(&pWin, stuff->requestor, client, DixReadAccess);
if (rc != Success)
return rc;
paramsOkay = (ValidAtom(stuff->selection) && ValidAtom(stuff->target));
if (stuff->property != None)
paramsOkay &= ValidAtom(stuff->property);
if (paramsOkay)
{
int i;
i = 0;
while ((i < NumCurrentSelections) &&
CurrentSelections[i].selection != stuff->selection) i++;
if ((i < NumCurrentSelections) &&
(CurrentSelections[i].window != None) &&
XaceHook(XACE_RESOURCE_ACCESS, client,
CurrentSelections[i].window, RT_WINDOW,
DixReadAccess, CurrentSelections[i].pWin))
{
event.u.u.type = SelectionRequest;
event.u.selectionRequest.time = stuff->time;
event.u.selectionRequest.owner =
CurrentSelections[i].window;
event.u.selectionRequest.requestor = stuff->requestor;
event.u.selectionRequest.selection = stuff->selection;
event.u.selectionRequest.target = stuff->target;
event.u.selectionRequest.property = stuff->property;
if (TryClientEvents(
CurrentSelections[i].client, &event, 1, NoEventMask,
NoEventMask , NullGrab))
return (client->noClientException);
}
event.u.u.type = SelectionNotify;
event.u.selectionNotify.time = stuff->time;
event.u.selectionNotify.requestor = stuff->requestor;
event.u.selectionNotify.selection = stuff->selection;
event.u.selectionNotify.target = stuff->target;
event.u.selectionNotify.property = None;
(void) TryClientEvents(client, &event, 1, NoEventMask,
NoEventMask , NullGrab);
return (client->noClientException);
}
else
{
client->errorValue = stuff->property;
return (BadAtom);
}
}
int
ProcGrabServer(ClientPtr client)
{
REQUEST_SIZE_MATCH(xReq);
if (grabState != GrabNone && client != grabClient)
{
ResetCurrentRequest(client);
client->sequence--;
BITSET(grabWaiters, client->index);
IgnoreClient(client);
return(client->noClientException);
}
OnlyListenToOneClient(client);
grabState = GrabKickout;
grabClient = client;
if (ServerGrabCallback)
{
ServerGrabInfoRec grabinfo;
grabinfo.client = client;
grabinfo.grabstate = SERVER_GRABBED;
CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
}
return(client->noClientException);
}
static void
UngrabServer(ClientPtr client)
{
int i;
grabState = GrabNone;
ListenToAllClients();
for (i = mskcnt; --i >= 0 && !grabWaiters[i]; )
;
if (i >= 0)
{
i <<= 5;
while (!GETBIT(grabWaiters, i))
i++;
BITCLEAR(grabWaiters, i);
AttendClient(clients[i]);
}
if (ServerGrabCallback)
{
ServerGrabInfoRec grabinfo;
grabinfo.client = client;
grabinfo.grabstate = SERVER_UNGRABBED;
CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
}
}
int
ProcUngrabServer(ClientPtr client)
{
REQUEST_SIZE_MATCH(xReq);
UngrabServer(client);
return(client->noClientException);
}
int
ProcTranslateCoords(ClientPtr client)
{
REQUEST(xTranslateCoordsReq);
WindowPtr pWin, pDst;
xTranslateCoordsReply rep;
int rc;
REQUEST_SIZE_MATCH(xTranslateCoordsReq);
rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixReadAccess);
if (rc != Success)
return rc;
rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixReadAccess);
if (rc != Success)
return rc;
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
if (!SAME_SCREENS(pWin->drawable, pDst->drawable))
{
rep.sameScreen = xFalse;
rep.child = None;
rep.dstX = rep.dstY = 0;
}
else
{
INT16 x, y;
rep.sameScreen = xTrue;
rep.child = None;
x = pWin->drawable.x + stuff->srcX;
y = pWin->drawable.y + stuff->srcY;
pWin = pDst->firstChild;
while (pWin)
{
#ifdef SHAPE
BoxRec box;
#endif
if ((pWin->mapped) &&
(x >= pWin->drawable.x - wBorderWidth (pWin)) &&
(x < pWin->drawable.x + (int)pWin->drawable.width +
wBorderWidth (pWin)) &&
(y >= pWin->drawable.y - wBorderWidth (pWin)) &&
(y < pWin->drawable.y + (int)pWin->drawable.height +
wBorderWidth (pWin))
#ifdef SHAPE
&& (!wBoundingShape(pWin) ||
POINT_IN_REGION(pWin->drawable.pScreen,
&pWin->borderSize, x, y, &box))
&& (!wInputShape(pWin) ||
POINT_IN_REGION(pWin->drawable.pScreen,
wInputShape(pWin),
x - pWin->drawable.x,
y - pWin->drawable.y, &box))
#endif
)
{
rep.child = pWin->drawable.id;
pWin = (WindowPtr) NULL;
}
else
pWin = pWin->nextSib;
}
rep.dstX = x - pDst->drawable.x;
rep.dstY = y - pDst->drawable.y;
}
WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep);
return(client->noClientException);
}
int
ProcOpenFont(ClientPtr client)
{
int err;
REQUEST(xOpenFontReq);
REQUEST_FIXED_SIZE(xOpenFontReq, stuff->nbytes);
client->errorValue = stuff->fid;
LEGAL_NEW_RESOURCE(stuff->fid, client);
err = OpenFont(client, stuff->fid, (Mask) 0,
stuff->nbytes, (char *)&stuff[1]);
if (err == Success)
{
return(client->noClientException);
}
else
return err;
}
int
ProcCloseFont(ClientPtr client)
{
FontPtr pFont;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT,
DixDestroyAccess);
if ( pFont != (FontPtr)NULL)
{
FreeResource(stuff->id, RT_NONE);
return(client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadFont);
}
}
int
ProcQueryFont(ClientPtr client)
{
xQueryFontReply *reply;
FontPtr pFont;
GC *pGC;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
client->errorValue = stuff->id;
pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT,
DixReadAccess);
if (!pFont)
{
pGC = (GC *) SecurityLookupIDByType(client, stuff->id, RT_GC,
DixReadAccess);
if (!pGC)
{
client->errorValue = stuff->id;
return(BadFont);
}
pFont = pGC->font;
}
{
xCharInfo *pmax = FONTINKMAX(pFont);
xCharInfo *pmin = FONTINKMIN(pFont);
int nprotoxcistructs;
int rlength;
nprotoxcistructs = (
pmax->rightSideBearing == pmin->rightSideBearing &&
pmax->leftSideBearing == pmin->leftSideBearing &&
pmax->descent == pmin->descent &&
pmax->ascent == pmin->ascent &&
pmax->characterWidth == pmin->characterWidth) ?
0 : N2dChars(pFont);
rlength = sizeof(xQueryFontReply) +
FONTINFONPROPS(FONTCHARSET(pFont)) * sizeof(xFontProp) +
nprotoxcistructs * sizeof(xCharInfo);
reply = (xQueryFontReply *)xalloc(rlength);
if(!reply)
{
return(BadAlloc);
}
reply->type = X_Reply;
reply->length = (rlength - sizeof(xGenericReply)) >> 2;
reply->sequenceNumber = client->sequence;
QueryFont( pFont, reply, nprotoxcistructs);
WriteReplyToClient(client, rlength, reply);
xfree(reply);
return(client->noClientException);
}
}
int
ProcQueryTextExtents(ClientPtr client)
{
REQUEST(xQueryTextExtentsReq);
xQueryTextExtentsReply reply;
FontPtr pFont;
GC *pGC;
ExtentInfoRec info;
unsigned long length;
REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq);
pFont = (FontPtr)SecurityLookupIDByType(client, stuff->fid, RT_FONT,
DixReadAccess);
if (!pFont)
{
pGC = (GC *)SecurityLookupIDByType(client, stuff->fid, RT_GC,
DixReadAccess);
if (!pGC)
{
client->errorValue = stuff->fid;
return(BadFont);
}
pFont = pGC->font;
}
length = client->req_len - (sizeof(xQueryTextExtentsReq) >> 2);
length = length << 1;
if (stuff->oddLength)
{
if (length == 0)
return(BadLength);
length--;
}
if (!QueryTextExtents(pFont, length, (unsigned char *)&stuff[1], &info))
return(BadAlloc);
reply.type = X_Reply;
reply.length = 0;
reply.sequenceNumber = client->sequence;
reply.drawDirection = info.drawDirection;
reply.fontAscent = info.fontAscent;
reply.fontDescent = info.fontDescent;
reply.overallAscent = info.overallAscent;
reply.overallDescent = info.overallDescent;
reply.overallWidth = info.overallWidth;
reply.overallLeft = info.overallLeft;
reply.overallRight = info.overallRight;
WriteReplyToClient(client, sizeof(xQueryTextExtentsReply), &reply);
return(client->noClientException);
}
int
ProcListFonts(ClientPtr client)
{
REQUEST(xListFontsReq);
REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes);
return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes,
stuff->maxNames);
}
int
ProcListFontsWithInfo(ClientPtr client)
{
REQUEST(xListFontsWithInfoReq);
REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes);
return StartListFontsWithInfo(client, stuff->nbytes,
(unsigned char *) &stuff[1], stuff->maxNames);
}
int
dixDestroyPixmap(pointer value, XID pid)
{
PixmapPtr pPixmap = (PixmapPtr)value;
return (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
}
int
ProcCreatePixmap(ClientPtr client)
{
PixmapPtr pMap;
DrawablePtr pDraw;
REQUEST(xCreatePixmapReq);
DepthPtr pDepth;
int i, rc;
REQUEST_SIZE_MATCH(xCreatePixmapReq);
client->errorValue = stuff->pid;
LEGAL_NEW_RESOURCE(stuff->pid, client);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY,
DixReadAccess);
if (rc != Success)
return rc;
if (!stuff->width || !stuff->height)
{
client->errorValue = 0;
return BadValue;
}
if (stuff->width > 32767 || stuff->height > 32767)
{
return BadAlloc;
}
if (stuff->depth != 1)
{
pDepth = pDraw->pScreen->allowedDepths;
for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
if (pDepth->depth == stuff->depth)
goto CreatePmap;
client->errorValue = stuff->depth;
return BadValue;
}
CreatePmap:
pMap = (PixmapPtr)(*pDraw->pScreen->CreatePixmap)
(pDraw->pScreen, stuff->width,
stuff->height, stuff->depth);
if (pMap)
{
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pMap->drawable.id = stuff->pid;
if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
return(client->noClientException);
}
return (BadAlloc);
}
int
ProcFreePixmap(ClientPtr client)
{
PixmapPtr pMap;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
pMap = (PixmapPtr)SecurityLookupIDByType(client, stuff->id, RT_PIXMAP,
DixDestroyAccess);
if (pMap)
{
FreeResource(stuff->id, RT_NONE);
return(client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadPixmap);
}
}
int
ProcCreateGC(ClientPtr client)
{
int error, rc;
GC *pGC;
DrawablePtr pDraw;
unsigned len;
REQUEST(xCreateGCReq);
REQUEST_AT_LEAST_SIZE(xCreateGCReq);
client->errorValue = stuff->gc;
LEGAL_NEW_RESOURCE(stuff->gc, client);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReadAccess);
if (rc != Success)
return rc;
len = client->req_len - (sizeof(xCreateGCReq) >> 2);
if (len != Ones(stuff->mask))
return BadLength;
pGC = (GC *)CreateGC(pDraw, stuff->mask,
(XID *) &stuff[1], &error);
if (error != Success)
return error;
if (!AddResource(stuff->gc, RT_GC, (pointer)pGC))
return (BadAlloc);
return(client->noClientException);
}
int
ProcChangeGC(ClientPtr client)
{
GC *pGC;
int result;
unsigned len;
REQUEST(xChangeGCReq);
REQUEST_AT_LEAST_SIZE(xChangeGCReq);
result = dixLookupGC(&pGC, stuff->gc, client, DixWriteAccess);
if (result != Success)
return result;
len = client->req_len - (sizeof(xChangeGCReq) >> 2);
if (len != Ones(stuff->mask))
return BadLength;
result = dixChangeGC(client, pGC, stuff->mask, (CARD32 *) &stuff[1], 0);
if (client->noClientException != Success)
return(client->noClientException);
else
{
client->errorValue = clientErrorValue;
return(result);
}
}
int
ProcCopyGC(ClientPtr client)
{
GC *dstGC;
GC *pGC;
int result;
REQUEST(xCopyGCReq);
REQUEST_SIZE_MATCH(xCopyGCReq);
result = dixLookupGC(&pGC, stuff->srcGC, client, DixReadAccess);
if (result != Success)
return result;
result = dixLookupGC(&dstGC, stuff->dstGC, client, DixWriteAccess);
if (result != Success)
return result;
if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth))
return (BadMatch);
result = CopyGC(pGC, dstGC, stuff->mask);
if (client->noClientException != Success)
return(client->noClientException);
else
{
client->errorValue = clientErrorValue;
return(result);
}
}
int
ProcSetDashes(ClientPtr client)
{
GC *pGC;
int result;
REQUEST(xSetDashesReq);
REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes);
if (stuff->nDashes == 0)
{
client->errorValue = 0;
return BadValue;
}
result = dixLookupGC(&pGC,stuff->gc, client, DixWriteAccess);
if (result != Success)
return result;
result = SetDashes(pGC, stuff->dashOffset, stuff->nDashes,
(unsigned char *)&stuff[1]);
if (client->noClientException != Success)
return(client->noClientException);
else
{
client->errorValue = clientErrorValue;
return(result);
}
}
int
ProcSetClipRectangles(ClientPtr client)
{
int nr, result;
GC *pGC;
REQUEST(xSetClipRectanglesReq);
REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq);
if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) &&
(stuff->ordering != YXSorted) && (stuff->ordering != YXBanded))
{
client->errorValue = stuff->ordering;
return BadValue;
}
result = dixLookupGC(&pGC,stuff->gc, client, DixWriteAccess);
if (result != Success)
return result;
nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq);
if (nr & 4)
return(BadLength);
nr >>= 3;
result = SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin,
nr, (xRectangle *)&stuff[1], (int)stuff->ordering);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
int
ProcFreeGC(ClientPtr client)
{
GC *pGC;
int rc;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupGC(&pGC, stuff->id, client, DixDestroyAccess);
if (rc != Success)
return rc;
FreeResource(stuff->id, RT_NONE);
return(client->noClientException);
}
int
ProcClearToBackground(ClientPtr client)
{
REQUEST(xClearAreaReq);
WindowPtr pWin;
int rc;
REQUEST_SIZE_MATCH(xClearAreaReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
if (rc != Success)
return rc;
if (pWin->drawable.class == InputOnly)
{
client->errorValue = stuff->window;
return (BadMatch);
}
if ((stuff->exposures != xTrue) && (stuff->exposures != xFalse))
{
client->errorValue = stuff->exposures;
return(BadValue);
}
(*pWin->drawable.pScreen->ClearToBackground)(pWin, stuff->x, stuff->y,
stuff->width, stuff->height,
(Bool)stuff->exposures);
return(client->noClientException);
}
int
ProcCopyArea(ClientPtr client)
{
DrawablePtr pDst;
DrawablePtr pSrc;
GC *pGC;
REQUEST(xCopyAreaReq);
RegionPtr pRgn;
int rc;
REQUEST_SIZE_MATCH(xCopyAreaReq);
VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, pGC, client);
if (stuff->dstDrawable != stuff->srcDrawable)
{
rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth))
{
client->errorValue = stuff->dstDrawable;
return (BadMatch);
}
}
else
pSrc = pDst;
pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC, stuff->srcX, stuff->srcY,
stuff->width, stuff->height,
stuff->dstX, stuff->dstY);
if (pGC->graphicsExposures)
{
(*pDst->pScreen->SendGraphicsExpose)
(client, pRgn, stuff->dstDrawable, X_CopyArea, 0);
if (pRgn)
REGION_DESTROY(pDst->pScreen, pRgn);
}
return(client->noClientException);
}
int
ProcCopyPlane(ClientPtr client)
{
DrawablePtr psrcDraw, pdstDraw;
GC *pGC;
REQUEST(xCopyPlaneReq);
RegionPtr pRgn;
int rc;
REQUEST_SIZE_MATCH(xCopyPlaneReq);
VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, pGC, client);
if (stuff->dstDrawable != stuff->srcDrawable)
{
rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0,
DixReadAccess);
if (rc != Success)
return rc;
if (pdstDraw->pScreen != psrcDraw->pScreen)
{
client->errorValue = stuff->dstDrawable;
return (BadMatch);
}
}
else
psrcDraw = pdstDraw;
if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) ||
(stuff->bitPlane > (1L << (psrcDraw->depth - 1))))
{
client->errorValue = stuff->bitPlane;
return(BadValue);
}
pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC, stuff->srcX, stuff->srcY,
stuff->width, stuff->height,
stuff->dstX, stuff->dstY, stuff->bitPlane);
if (pGC->graphicsExposures)
{
(*pdstDraw->pScreen->SendGraphicsExpose)
(client, pRgn, stuff->dstDrawable, X_CopyPlane, 0);
if (pRgn)
REGION_DESTROY(pdstDraw->pScreen, pRgn);
}
return(client->noClientException);
}
int
ProcPolyPoint(ClientPtr client)
{
int npoint;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolyPointReq);
REQUEST_AT_LEAST_SIZE(xPolyPointReq);
if ((stuff->coordMode != CoordModeOrigin) &&
(stuff->coordMode != CoordModePrevious))
{
client->errorValue = stuff->coordMode;
return BadValue;
}
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
npoint = ((client->req_len << 2) - sizeof(xPolyPointReq)) >> 2;
if (npoint)
(*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint,
(xPoint *) &stuff[1]);
return (client->noClientException);
}
int
ProcPolyLine(ClientPtr client)
{
int npoint;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolyLineReq);
REQUEST_AT_LEAST_SIZE(xPolyLineReq);
if ((stuff->coordMode != CoordModeOrigin) &&
(stuff->coordMode != CoordModePrevious))
{
client->errorValue = stuff->coordMode;
return BadValue;
}
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
npoint = ((client->req_len << 2) - sizeof(xPolyLineReq)) >> 2;
if (npoint > 1)
(*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint,
(DDXPointPtr) &stuff[1]);
return(client->noClientException);
}
int
ProcPolySegment(ClientPtr client)
{
int nsegs;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolySegmentReq);
REQUEST_AT_LEAST_SIZE(xPolySegmentReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq);
if (nsegs & 4)
return(BadLength);
nsegs >>= 3;
if (nsegs)
(*pGC->ops->PolySegment)(pDraw, pGC, nsegs, (xSegment *) &stuff[1]);
return (client->noClientException);
}
int
ProcPolyRectangle (ClientPtr client)
{
int nrects;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolyRectangleReq);
REQUEST_AT_LEAST_SIZE(xPolyRectangleReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq);
if (nrects & 4)
return(BadLength);
nrects >>= 3;
if (nrects)
(*pGC->ops->PolyRectangle)(pDraw, pGC,
nrects, (xRectangle *) &stuff[1]);
return(client->noClientException);
}
int
ProcPolyArc(ClientPtr client)
{
int narcs;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolyArcReq);
REQUEST_AT_LEAST_SIZE(xPolyArcReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
narcs = (client->req_len << 2) - sizeof(xPolyArcReq);
if (narcs % sizeof(xArc))
return(BadLength);
narcs /= sizeof(xArc);
if (narcs)
(*pGC->ops->PolyArc)(pDraw, pGC, narcs, (xArc *) &stuff[1]);
return (client->noClientException);
}
int
ProcFillPoly(ClientPtr client)
{
int things;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xFillPolyReq);
REQUEST_AT_LEAST_SIZE(xFillPolyReq);
if ((stuff->shape != Complex) && (stuff->shape != Nonconvex) &&
(stuff->shape != Convex))
{
client->errorValue = stuff->shape;
return BadValue;
}
if ((stuff->coordMode != CoordModeOrigin) &&
(stuff->coordMode != CoordModePrevious))
{
client->errorValue = stuff->coordMode;
return BadValue;
}
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
things = ((client->req_len << 2) - sizeof(xFillPolyReq)) >> 2;
if (things)
(*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape,
stuff->coordMode, things,
(DDXPointPtr) &stuff[1]);
return(client->noClientException);
}
int
ProcPolyFillRectangle(ClientPtr client)
{
int things;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolyFillRectangleReq);
REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq);
if (things & 4)
return(BadLength);
things >>= 3;
if (things)
(*pGC->ops->PolyFillRect) (pDraw, pGC, things,
(xRectangle *) &stuff[1]);
return (client->noClientException);
}
int
ProcPolyFillArc(ClientPtr client)
{
int narcs;
GC *pGC;
DrawablePtr pDraw;
REQUEST(xPolyFillArcReq);
REQUEST_AT_LEAST_SIZE(xPolyFillArcReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq);
if (narcs % sizeof(xArc))
return(BadLength);
narcs /= sizeof(xArc);
if (narcs)
(*pGC->ops->PolyFillArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]);
return (client->noClientException);
}
#ifdef MATCH_CLIENT_ENDIAN
int
ServerOrder (void)
{
int whichbyte = 1;
if (*((char *) &whichbyte))
return LSBFirst;
return MSBFirst;
}
#define ClientOrder(client) ((client)->swapped ? !ServerOrder() : ServerOrder())
void
ReformatImage (char *base, int nbytes, int bpp, int order)
{
switch (bpp) {
case 1:
if (BITMAP_BIT_ORDER != order)
BitOrderInvert ((unsigned char *) base, nbytes);
#if IMAGE_BYTE_ORDER != BITMAP_BIT_ORDER && BITMAP_SCANLINE_UNIT != 8
ReformatImage (base, nbytes, BITMAP_SCANLINE_UNIT, order);
#endif
break;
case 4:
break;
case 8:
break;
case 16:
if (IMAGE_BYTE_ORDER != order)
TwoByteSwap ((unsigned char *) base, nbytes);
break;
case 32:
if (IMAGE_BYTE_ORDER != order)
FourByteSwap ((unsigned char *) base, nbytes);
break;
}
}
#else
#define ReformatImage(b,n,bpp,o)
#endif
int
ProcPutImage(ClientPtr client)
{
GC *pGC;
DrawablePtr pDraw;
long length;
long lengthProto;
char *tmpImage;
REQUEST(xPutImageReq);
REQUEST_AT_LEAST_SIZE(xPutImageReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
if (stuff->format == XYBitmap)
{
if ((stuff->depth != 1) ||
(stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad))
return BadMatch;
length = BitmapBytePad(stuff->width + stuff->leftPad);
}
else if (stuff->format == XYPixmap)
{
if ((pDraw->depth != stuff->depth) ||
(stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad))
return BadMatch;
length = BitmapBytePad(stuff->width + stuff->leftPad);
length *= stuff->depth;
}
else if (stuff->format == ZPixmap)
{
if ((pDraw->depth != stuff->depth) || (stuff->leftPad != 0))
return BadMatch;
length = PixmapBytePad(stuff->width, stuff->depth);
}
else
{
client->errorValue = stuff->format;
return BadValue;
}
tmpImage = (char *)&stuff[1];
lengthProto = length;
if (((((lengthProto * stuff->height) + (unsigned)3) >> 2) +
(sizeof(xPutImageReq) >> 2)) != client->req_len)
return BadLength;
ReformatImage (tmpImage, lengthProto * stuff->height,
stuff->format == ZPixmap ? BitsPerPixel (stuff->depth) : 1,
ClientOrder(client));
(*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, stuff->dstX, stuff->dstY,
stuff->width, stuff->height,
stuff->leftPad, stuff->format, tmpImage);
return (client->noClientException);
}
static int
DoGetImage(ClientPtr client, int format, Drawable drawable,
int x, int y, int width, int height,
Mask planemask, xGetImageReply **im_return)
{
DrawablePtr pDraw;
int nlines, linesPerBuf, rc;
int linesDone;
long widthBytesLine, length;
Mask plane = 0;
char *pBuf;
xGetImageReply xgi;
RegionPtr pVisibleRegion = NULL;
if ((format != XYPixmap) && (format != ZPixmap))
{
client->errorValue = format;
return(BadValue);
}
rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixReadAccess);
if (rc != Success)
return rc;
if(pDraw->type == DRAWABLE_WINDOW)
{
if(
!((WindowPtr) pDraw)->realized ||
pDraw->x + x < 0 ||
pDraw->x + x + width > pDraw->pScreen->width ||
pDraw->y + y < 0 ||
pDraw->y + y + height > pDraw->pScreen->height ||
x < - wBorderWidth((WindowPtr)pDraw) ||
x + width > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
y < -wBorderWidth((WindowPtr)pDraw) ||
y + height > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height
)
return(BadMatch);
xgi.visual = wVisual (((WindowPtr) pDraw));
}
else
{
if(x < 0 ||
x+width > (int)pDraw->width ||
y < 0 ||
y+height > (int)pDraw->height
)
return(BadMatch);
xgi.visual = None;
}
xgi.type = X_Reply;
xgi.sequenceNumber = client->sequence;
xgi.depth = pDraw->depth;
if(format == ZPixmap)
{
widthBytesLine = PixmapBytePad(width, pDraw->depth);
length = widthBytesLine * height;
}
else
{
widthBytesLine = BitmapBytePad(width);
plane = ((Mask)1) << (pDraw->depth - 1);
length = widthBytesLine * height *
Ones(planemask & (plane | (plane - 1)));
}
xgi.length = length;
if (im_return) {
pBuf = (char *)xalloc(sz_xGetImageReply + length);
if (!pBuf)
return (BadAlloc);
if (widthBytesLine == 0)
linesPerBuf = 0;
else
linesPerBuf = height;
*im_return = (xGetImageReply *)pBuf;
*(xGetImageReply *)pBuf = xgi;
pBuf += sz_xGetImageReply;
} else {
xgi.length = (xgi.length + 3) >> 2;
if (widthBytesLine == 0 || height == 0)
linesPerBuf = 0;
else if (widthBytesLine >= IMAGE_BUFSIZE)
linesPerBuf = 1;
else
{
linesPerBuf = IMAGE_BUFSIZE / widthBytesLine;
if (linesPerBuf > height)
linesPerBuf = height;
}
length = linesPerBuf * widthBytesLine;
if (linesPerBuf < height)
{
while ((linesPerBuf > 1) &&
(length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1)))
{
linesPerBuf--;
length -= widthBytesLine;
}
while (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1))
{
linesPerBuf++;
length += widthBytesLine;
}
}
if(!(pBuf = (char *)xalloc(length)))
return (BadAlloc);
WriteReplyToClient(client, sizeof (xGetImageReply), &xgi);
}
if (pDraw->type == DRAWABLE_WINDOW &&
!XaceHook(XACE_DRAWABLE_ACCESS, client, pDraw))
{
pVisibleRegion = NotClippedByChildren((WindowPtr)pDraw);
if (pVisibleRegion)
{
REGION_TRANSLATE(pDraw->pScreen, pVisibleRegion,
-pDraw->x, -pDraw->y);
}
}
if (linesPerBuf == 0)
{
}
else if (format == ZPixmap)
{
linesDone = 0;
while (height - linesDone > 0)
{
nlines = min(linesPerBuf, height - linesDone);
(*pDraw->pScreen->GetImage) (pDraw,
x,
y + linesDone,
width,
nlines,
format,
planemask,
(pointer) pBuf);
if (pVisibleRegion)
XaceCensorImage(client, pVisibleRegion, widthBytesLine,
pDraw, x, y + linesDone, width,
nlines, format, pBuf);
if (!im_return)
{
ReformatImage (pBuf, (int)(nlines * widthBytesLine),
BitsPerPixel (pDraw->depth),
ClientOrder(client));
(void)WriteToClient(client,
(int)(nlines * widthBytesLine),
pBuf);
}
linesDone += nlines;
}
}
else
{
for (; plane; plane >>= 1)
{
if (planemask & plane)
{
linesDone = 0;
while (height - linesDone > 0)
{
nlines = min(linesPerBuf, height - linesDone);
(*pDraw->pScreen->GetImage) (pDraw,
x,
y + linesDone,
width,
nlines,
format,
plane,
(pointer)pBuf);
if (pVisibleRegion)
XaceCensorImage(client, pVisibleRegion,
widthBytesLine,
pDraw, x, y + linesDone, width,
nlines, format, pBuf);
if (im_return) {
pBuf += nlines * widthBytesLine;
} else {
ReformatImage (pBuf,
(int)(nlines * widthBytesLine),
1,
ClientOrder (client));
(void)WriteToClient(client,
(int)(nlines * widthBytesLine),
pBuf);
}
linesDone += nlines;
}
}
}
}
if (pVisibleRegion)
REGION_DESTROY(pDraw->pScreen, pVisibleRegion);
if (!im_return)
xfree(pBuf);
return (client->noClientException);
}
int
ProcGetImage(ClientPtr client)
{
REQUEST(xGetImageReq);
REQUEST_SIZE_MATCH(xGetImageReq);
return DoGetImage(client, stuff->format, stuff->drawable,
stuff->x, stuff->y,
(int)stuff->width, (int)stuff->height,
stuff->planeMask, (xGetImageReply **)NULL);
}
int
ProcPolyText(ClientPtr client)
{
int err;
REQUEST(xPolyTextReq);
DrawablePtr pDraw;
GC *pGC;
REQUEST_AT_LEAST_SIZE(xPolyTextReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
err = PolyText(client,
pDraw,
pGC,
(unsigned char *)&stuff[1],
((unsigned char *) stuff) + (client->req_len << 2),
stuff->x,
stuff->y,
stuff->reqType,
stuff->drawable);
if (err == Success)
{
return(client->noClientException);
}
else
return err;
}
int
ProcImageText8(ClientPtr client)
{
int err;
DrawablePtr pDraw;
GC *pGC;
REQUEST(xImageTextReq);
REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
err = ImageText(client,
pDraw,
pGC,
stuff->nChars,
(unsigned char *)&stuff[1],
stuff->x,
stuff->y,
stuff->reqType,
stuff->drawable);
if (err == Success)
{
return(client->noClientException);
}
else
return err;
}
int
ProcImageText16(ClientPtr client)
{
int err;
DrawablePtr pDraw;
GC *pGC;
REQUEST(xImageTextReq);
REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
err = ImageText(client,
pDraw,
pGC,
stuff->nChars,
(unsigned char *)&stuff[1],
stuff->x,
stuff->y,
stuff->reqType,
stuff->drawable);
if (err == Success)
{
return(client->noClientException);
}
else
return err;
}
int
ProcCreateColormap(ClientPtr client)
{
VisualPtr pVisual;
ColormapPtr pmap;
Colormap mid;
WindowPtr pWin;
ScreenPtr pScreen;
REQUEST(xCreateColormapReq);
int i, result;
REQUEST_SIZE_MATCH(xCreateColormapReq);
if ((stuff->alloc != AllocNone) && (stuff->alloc != AllocAll))
{
client->errorValue = stuff->alloc;
return(BadValue);
}
mid = stuff->mid;
LEGAL_NEW_RESOURCE(mid, client);
result = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
if (result != Success)
return result;
pScreen = pWin->drawable.pScreen;
for (i = 0, pVisual = pScreen->visuals;
i < pScreen->numVisuals;
i++, pVisual++)
{
if (pVisual->vid != stuff->visual)
continue;
result = CreateColormap(mid, pScreen, pVisual, &pmap,
(int)stuff->alloc, client->index);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
client->errorValue = stuff->visual;
return(BadMatch);
}
int
ProcFreeColormap(ClientPtr client)
{
ColormapPtr pmap;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
pmap = (ColormapPtr )SecurityLookupIDByType(client, stuff->id, RT_COLORMAP,
DixDestroyAccess);
if (pmap)
{
if (!(pmap->flags & IsDefault))
FreeResource(stuff->id, RT_NONE);
return (client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadColor);
}
}
int
ProcCopyColormapAndFree(ClientPtr client)
{
Colormap mid;
ColormapPtr pSrcMap;
REQUEST(xCopyColormapAndFreeReq);
int result;
REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq);
mid = stuff->mid;
LEGAL_NEW_RESOURCE(mid, client);
if( (pSrcMap = (ColormapPtr )SecurityLookupIDByType(client, stuff->srcCmap,
RT_COLORMAP, DixReadAccess|DixWriteAccess)) )
{
result = CopyColormapAndFree(mid, pSrcMap, client->index);
if (client->noClientException != Success)
return(client->noClientException);
else
return(result);
}
else
{
client->errorValue = stuff->srcCmap;
return(BadColor);
}
}
int
ProcInstallColormap(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id,
RT_COLORMAP, DixReadAccess);
if (pcmp)
{
(*(pcmp->pScreen->InstallColormap)) (pcmp);
return (client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadColor);
}
}
int
ProcUninstallColormap(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id,
RT_COLORMAP, DixReadAccess);
if (pcmp)
{
if(pcmp->mid != pcmp->pScreen->defColormap)
(*(pcmp->pScreen->UninstallColormap)) (pcmp);
return (client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadColor);
}
}
int
ProcListInstalledColormaps(ClientPtr client)
{
xListInstalledColormapsReply *preply;
int nummaps, rc;
WindowPtr pWin;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixReadAccess);
if (rc != Success)
return rc;
preply = (xListInstalledColormapsReply *)
xalloc(sizeof(xListInstalledColormapsReply) +
pWin->drawable.pScreen->maxInstalledCmaps *
sizeof(Colormap));
if(!preply)
return(BadAlloc);
preply->type = X_Reply;
preply->sequenceNumber = client->sequence;
nummaps = (*pWin->drawable.pScreen->ListInstalledColormaps)
(pWin->drawable.pScreen, (Colormap *)&preply[1]);
preply->nColormaps = nummaps;
preply->length = nummaps;
WriteReplyToClient(client, sizeof (xListInstalledColormapsReply), preply);
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1]);
xfree(preply);
return(client->noClientException);
}
int
ProcAllocColor (ClientPtr client)
{
ColormapPtr pmap;
int retval;
xAllocColorReply acr;
REQUEST(xAllocColorReq);
REQUEST_SIZE_MATCH(xAllocColorReq);
pmap = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pmap)
{
acr.type = X_Reply;
acr.length = 0;
acr.sequenceNumber = client->sequence;
acr.red = stuff->red;
acr.green = stuff->green;
acr.blue = stuff->blue;
acr.pixel = 0;
if( (retval = AllocColor(pmap, &acr.red, &acr.green, &acr.blue,
&acr.pixel, client->index)) )
{
if (client->noClientException != Success)
return(client->noClientException);
else
return (retval);
}
#ifdef PANORAMIX
if (noPanoramiXExtension || !pmap->pScreen->myNum)
#endif
WriteReplyToClient(client, sizeof(xAllocColorReply), &acr);
return (client->noClientException);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcAllocNamedColor (ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xAllocNamedColorReq);
REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pcmp)
{
int retval;
xAllocNamedColorReply ancr;
ancr.type = X_Reply;
ancr.length = 0;
ancr.sequenceNumber = client->sequence;
if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes,
&ancr.exactRed, &ancr.exactGreen, &ancr.exactBlue))
{
ancr.screenRed = ancr.exactRed;
ancr.screenGreen = ancr.exactGreen;
ancr.screenBlue = ancr.exactBlue;
ancr.pixel = 0;
if( (retval = AllocColor(pcmp,
&ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue,
&ancr.pixel, client->index)) )
{
if (client->noClientException != Success)
return(client->noClientException);
else
return(retval);
}
#ifdef PANORAMIX
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif
WriteReplyToClient(client, sizeof (xAllocNamedColorReply), &ancr);
return (client->noClientException);
}
else
return(BadName);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcAllocColorCells (ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xAllocColorCellsReq);
REQUEST_SIZE_MATCH(xAllocColorCellsReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pcmp)
{
xAllocColorCellsReply accr;
int npixels, nmasks, retval;
long length;
Pixel *ppixels, *pmasks;
npixels = stuff->colors;
if (!npixels)
{
client->errorValue = npixels;
return (BadValue);
}
if (stuff->contiguous != xTrue && stuff->contiguous != xFalse)
{
client->errorValue = stuff->contiguous;
return (BadValue);
}
nmasks = stuff->planes;
length = ((long)npixels + (long)nmasks) * sizeof(Pixel);
ppixels = (Pixel *)xalloc(length);
if(!ppixels)
return(BadAlloc);
pmasks = ppixels + npixels;
if( (retval = AllocColorCells(client->index, pcmp, npixels, nmasks,
(Bool)stuff->contiguous, ppixels, pmasks)) )
{
xfree(ppixels);
if (client->noClientException != Success)
return(client->noClientException);
else
return(retval);
}
#ifdef PANORAMIX
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif
{
accr.type = X_Reply;
accr.length = length >> 2;
accr.sequenceNumber = client->sequence;
accr.nPixels = npixels;
accr.nMasks = nmasks;
WriteReplyToClient(client, sizeof (xAllocColorCellsReply), &accr);
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, length, ppixels);
}
xfree(ppixels);
return (client->noClientException);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcAllocColorPlanes(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xAllocColorPlanesReq);
REQUEST_SIZE_MATCH(xAllocColorPlanesReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pcmp)
{
xAllocColorPlanesReply acpr;
int npixels, retval;
long length;
Pixel *ppixels;
npixels = stuff->colors;
if (!npixels)
{
client->errorValue = npixels;
return (BadValue);
}
if (stuff->contiguous != xTrue && stuff->contiguous != xFalse)
{
client->errorValue = stuff->contiguous;
return (BadValue);
}
acpr.type = X_Reply;
acpr.sequenceNumber = client->sequence;
acpr.nPixels = npixels;
length = (long)npixels * sizeof(Pixel);
ppixels = (Pixel *)xalloc(length);
if(!ppixels)
return(BadAlloc);
if( (retval = AllocColorPlanes(client->index, pcmp, npixels,
(int)stuff->red, (int)stuff->green, (int)stuff->blue,
(Bool)stuff->contiguous, ppixels,
&acpr.redMask, &acpr.greenMask, &acpr.blueMask)) )
{
xfree(ppixels);
if (client->noClientException != Success)
return(client->noClientException);
else
return(retval);
}
acpr.length = length >> 2;
#ifdef PANORAMIX
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif
{
WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr);
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, length, ppixels);
}
xfree(ppixels);
return (client->noClientException);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcFreeColors(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xFreeColorsReq);
REQUEST_AT_LEAST_SIZE(xFreeColorsReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pcmp)
{
int count;
int retval;
if(pcmp->flags & AllAllocated)
return(BadAccess);
count = ((client->req_len << 2)- sizeof(xFreeColorsReq)) >> 2;
retval = FreeColors(pcmp, client->index, count,
(Pixel *)&stuff[1], (Pixel)stuff->planeMask);
if (client->noClientException != Success)
return(client->noClientException);
else
{
client->errorValue = clientErrorValue;
return(retval);
}
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcStoreColors (ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xStoreColorsReq);
REQUEST_AT_LEAST_SIZE(xStoreColorsReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pcmp)
{
int count;
int retval;
count = (client->req_len << 2) - sizeof(xStoreColorsReq);
if (count % sizeof(xColorItem))
return(BadLength);
count /= sizeof(xColorItem);
retval = StoreColors(pcmp, count, (xColorItem *)&stuff[1]);
if (client->noClientException != Success)
return(client->noClientException);
else
{
client->errorValue = clientErrorValue;
return(retval);
}
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcStoreNamedColor (ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xStoreNamedColorReq);
REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixWriteAccess);
if (pcmp)
{
xColorItem def;
int retval;
if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1],
stuff->nbytes, &def.red, &def.green, &def.blue))
{
def.flags = stuff->flags;
def.pixel = stuff->pixel;
retval = StoreColors(pcmp, 1, &def);
if (client->noClientException != Success)
return(client->noClientException);
else
return(retval);
}
return (BadName);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcQueryColors(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xQueryColorsReq);
REQUEST_AT_LEAST_SIZE(xQueryColorsReq);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixReadAccess);
if (pcmp)
{
int count, retval;
xrgb *prgbs;
xQueryColorsReply qcr;
count = ((client->req_len << 2) - sizeof(xQueryColorsReq)) >> 2;
prgbs = (xrgb *)xalloc(count * sizeof(xrgb));
if(!prgbs && count)
return(BadAlloc);
if( (retval = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs)) )
{
if (prgbs) xfree(prgbs);
if (client->noClientException != Success)
return(client->noClientException);
else
{
client->errorValue = clientErrorValue;
return (retval);
}
}
qcr.type = X_Reply;
qcr.length = (count * sizeof(xrgb)) >> 2;
qcr.sequenceNumber = client->sequence;
qcr.nColors = count;
WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr);
if (count)
{
client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend;
WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs);
}
if (prgbs) xfree(prgbs);
return(client->noClientException);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcLookupColor(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xLookupColorReq);
REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes);
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
RT_COLORMAP, DixReadAccess);
if (pcmp)
{
xLookupColorReply lcr;
if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes,
&lcr.exactRed, &lcr.exactGreen, &lcr.exactBlue))
{
lcr.type = X_Reply;
lcr.length = 0;
lcr.sequenceNumber = client->sequence;
lcr.screenRed = lcr.exactRed;
lcr.screenGreen = lcr.exactGreen;
lcr.screenBlue = lcr.exactBlue;
(*pcmp->pScreen->ResolveColor)(&lcr.screenRed,
&lcr.screenGreen,
&lcr.screenBlue,
pcmp->pVisual);
WriteReplyToClient(client, sizeof(xLookupColorReply), &lcr);
return(client->noClientException);
}
return (BadName);
}
else
{
client->errorValue = stuff->cmap;
return (BadColor);
}
}
int
ProcCreateCursor (ClientPtr client)
{
CursorPtr pCursor;
PixmapPtr src;
PixmapPtr msk;
unsigned char * srcbits;
unsigned char * mskbits;
unsigned short width, height;
long n;
CursorMetricRec cm;
REQUEST(xCreateCursorReq);
REQUEST_SIZE_MATCH(xCreateCursorReq);
LEGAL_NEW_RESOURCE(stuff->cid, client);
src = (PixmapPtr)SecurityLookupIDByType(client, stuff->source,
RT_PIXMAP, DixReadAccess);
msk = (PixmapPtr)SecurityLookupIDByType(client, stuff->mask,
RT_PIXMAP, DixReadAccess);
if ( src == (PixmapPtr)NULL)
{
client->errorValue = stuff->source;
return (BadPixmap);
}
if ( msk == (PixmapPtr)NULL)
{
if (stuff->mask != None)
{
client->errorValue = stuff->mask;
return (BadPixmap);
}
}
else if ( src->drawable.width != msk->drawable.width
|| src->drawable.height != msk->drawable.height
|| src->drawable.depth != 1
|| msk->drawable.depth != 1)
return (BadMatch);
width = src->drawable.width;
height = src->drawable.height;
if ( stuff->x > width
|| stuff->y > height )
return (BadMatch);
n = BitmapBytePad(width)*height;
srcbits = (unsigned char *)xalloc(n);
if (!srcbits)
return (BadAlloc);
mskbits = (unsigned char *)xalloc(n);
if (!mskbits)
{
xfree(srcbits);
return (BadAlloc);
}
bzero((char *)srcbits, n);
(* src->drawable.pScreen->GetImage)( (DrawablePtr)src, 0, 0, width, height,
XYPixmap, 1, (pointer)srcbits);
if ( msk == (PixmapPtr)NULL)
{
unsigned char *bits = mskbits;
while (--n >= 0)
*bits++ = ~0;
}
else
{
bzero((char *)mskbits, n);
(* msk->drawable.pScreen->GetImage)( (DrawablePtr)msk, 0, 0, width,
height, XYPixmap, 1, (pointer)mskbits);
}
cm.width = width;
cm.height = height;
cm.xhot = stuff->x;
cm.yhot = stuff->y;
pCursor = AllocCursor( srcbits, mskbits, &cm,
stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
stuff->backRed, stuff->backGreen, stuff->backBlue);
if (pCursor && AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
return (client->noClientException);
return BadAlloc;
}
int
ProcCreateGlyphCursor (ClientPtr client)
{
CursorPtr pCursor;
int res;
REQUEST(xCreateGlyphCursorReq);
REQUEST_SIZE_MATCH(xCreateGlyphCursorReq);
LEGAL_NEW_RESOURCE(stuff->cid, client);
res = AllocGlyphCursor(stuff->source, stuff->sourceChar,
stuff->mask, stuff->maskChar,
stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
stuff->backRed, stuff->backGreen, stuff->backBlue,
&pCursor, client);
if (res != Success)
return res;
if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
return client->noClientException;
return BadAlloc;
}
int
ProcFreeCursor (ClientPtr client)
{
CursorPtr pCursor;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
pCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->id,
RT_CURSOR, DixDestroyAccess);
if (pCursor)
{
FreeResource(stuff->id, RT_NONE);
return (client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadCursor);
}
}
int
ProcQueryBestSize (ClientPtr client)
{
xQueryBestSizeReply reply;
DrawablePtr pDraw;
ScreenPtr pScreen;
int rc;
REQUEST(xQueryBestSizeReq);
REQUEST_SIZE_MATCH(xQueryBestSizeReq);
if ((stuff->class != CursorShape) &&
(stuff->class != TileShape) &&
(stuff->class != StippleShape))
{
client->errorValue = stuff->class;
return(BadValue);
}
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY,
DixReadAccess);
if (rc != Success)
return rc;
if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW)
return (BadMatch);
pScreen = pDraw->pScreen;
(* pScreen->QueryBestSize)(stuff->class, &stuff->width,
&stuff->height, pScreen);
reply.type = X_Reply;
reply.length = 0;
reply.sequenceNumber = client->sequence;
reply.width = stuff->width;
reply.height = stuff->height;
WriteReplyToClient(client, sizeof(xQueryBestSizeReply), &reply);
return (client->noClientException);
}
int
ProcSetScreenSaver (ClientPtr client)
{
int blankingOption, exposureOption;
REQUEST(xSetScreenSaverReq);
REQUEST_SIZE_MATCH(xSetScreenSaverReq);
blankingOption = stuff->preferBlank;
if ((blankingOption != DontPreferBlanking) &&
(blankingOption != PreferBlanking) &&
(blankingOption != DefaultBlanking))
{
client->errorValue = blankingOption;
return BadValue;
}
exposureOption = stuff->allowExpose;
if ((exposureOption != DontAllowExposures) &&
(exposureOption != AllowExposures) &&
(exposureOption != DefaultExposures))
{
client->errorValue = exposureOption;
return BadValue;
}
if (stuff->timeout < -1)
{
client->errorValue = stuff->timeout;
return BadValue;
}
if (stuff->interval < -1)
{
client->errorValue = stuff->interval;
return BadValue;
}
if (blankingOption == DefaultBlanking)
ScreenSaverBlanking = defaultScreenSaverBlanking;
else
ScreenSaverBlanking = blankingOption;
if (exposureOption == DefaultExposures)
ScreenSaverAllowExposures = defaultScreenSaverAllowExposures;
else
ScreenSaverAllowExposures = exposureOption;
if (stuff->timeout >= 0)
ScreenSaverTime = stuff->timeout * MILLI_PER_SECOND;
else
ScreenSaverTime = defaultScreenSaverTime;
if (stuff->interval >= 0)
ScreenSaverInterval = stuff->interval * MILLI_PER_SECOND;
else
ScreenSaverInterval = defaultScreenSaverInterval;
SetScreenSaverTimer();
return (client->noClientException);
}
int
ProcGetScreenSaver(ClientPtr client)
{
xGetScreenSaverReply rep;
REQUEST_SIZE_MATCH(xReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.timeout = ScreenSaverTime / MILLI_PER_SECOND;
rep.interval = ScreenSaverInterval / MILLI_PER_SECOND;
rep.preferBlanking = ScreenSaverBlanking;
rep.allowExposures = ScreenSaverAllowExposures;
WriteReplyToClient(client, sizeof(xGetScreenSaverReply), &rep);
return (client->noClientException);
}
int
ProcChangeHosts(ClientPtr client)
{
REQUEST(xChangeHostsReq);
int result;
REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength);
if(stuff->mode == HostInsert)
result = AddHost(client, (int)stuff->hostFamily,
stuff->hostLength, (pointer)&stuff[1]);
else if (stuff->mode == HostDelete)
result = RemoveHost(client, (int)stuff->hostFamily,
stuff->hostLength, (pointer)&stuff[1]);
else
{
client->errorValue = stuff->mode;
return BadValue;
}
if (!result)
result = client->noClientException;
return (result);
}
int
ProcListHosts(ClientPtr client)
{
xListHostsReply reply;
int len, nHosts, result;
pointer pdata;
REQUEST_SIZE_MATCH(xListHostsReq);
if (!XaceHook(XACE_HOSTLIST_ACCESS, client, DixReadAccess))
return BadAccess;
result = GetHosts(&pdata, &nHosts, &len, &reply.enabled);
if (result != Success)
return(result);
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
reply.nHosts = nHosts;
reply.length = len >> 2;
WriteReplyToClient(client, sizeof(xListHostsReply), &reply);
if (nHosts)
{
client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend;
WriteSwappedDataToClient(client, len, pdata);
}
xfree(pdata);
return (client->noClientException);
}
int
ProcChangeAccessControl(ClientPtr client)
{
int result;
REQUEST(xSetAccessControlReq);
REQUEST_SIZE_MATCH(xSetAccessControlReq);
if ((stuff->mode != EnableAccess) && (stuff->mode != DisableAccess))
{
client->errorValue = stuff->mode;
return BadValue;
}
result = ChangeAccessControl(client, stuff->mode == EnableAccess);
if (!result)
result = client->noClientException;
return (result);
}
static void
CloseDownRetainedResources(void)
{
int i;
ClientPtr client;
for (i=1; i<currentMaxClients; i++)
{
client = clients[i];
if (client && (client->closeDownMode == RetainTemporary)
&& (client->clientGone))
CloseDownClient(client);
}
}
int
ProcKillClient(ClientPtr client)
{
REQUEST(xResourceReq);
ClientPtr killclient;
int rc;
REQUEST_SIZE_MATCH(xResourceReq);
if (stuff->id == AllTemporary)
{
CloseDownRetainedResources();
return (client->noClientException);
}
rc = dixLookupClient(&killclient, stuff->id, client, DixDestroyAccess);
if (rc == Success) {
CloseDownClient(killclient);
if (isItTimeToYield || (client == killclient))
{
isItTimeToYield = TRUE;
return (Success);
}
return (client->noClientException);
}
else
return rc;
}
int
ProcSetFontPath(ClientPtr client)
{
unsigned char *ptr;
unsigned long nbytes, total;
long nfonts;
int n, result;
int error;
REQUEST(xSetFontPathReq);
REQUEST_AT_LEAST_SIZE(xSetFontPathReq);
nbytes = (client->req_len << 2) - sizeof(xSetFontPathReq);
total = nbytes;
ptr = (unsigned char *)&stuff[1];
nfonts = stuff->nFonts;
while (--nfonts >= 0)
{
if ((total == 0) || (total < (n = (*ptr + 1))))
return(BadLength);
total -= n;
ptr += n;
}
if (total >= 4)
return(BadLength);
result = SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1],
&error);
if (!result)
{
result = client->noClientException;
client->errorValue = error;
}
return (result);
}
int
ProcGetFontPath(ClientPtr client)
{
xGetFontPathReply reply;
int stringLens, numpaths;
unsigned char *bufferStart;
REQUEST_SIZE_MATCH(xReq);
bufferStart = GetFontPath(&numpaths, &stringLens);
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
reply.length = (stringLens + numpaths + 3) >> 2;
reply.nPaths = numpaths;
WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply);
if (stringLens || numpaths)
(void)WriteToClient(client, stringLens + numpaths, (char *)bufferStart);
return(client->noClientException);
}
int
ProcChangeCloseDownMode(ClientPtr client)
{
REQUEST(xSetCloseDownModeReq);
REQUEST_SIZE_MATCH(xSetCloseDownModeReq);
if ((stuff->mode == AllTemporary) ||
(stuff->mode == RetainPermanent) ||
(stuff->mode == RetainTemporary))
{
client->closeDownMode = stuff->mode;
return (client->noClientException);
}
else
{
client->errorValue = stuff->mode;
return (BadValue);
}
}
int ProcForceScreenSaver(ClientPtr client)
{
REQUEST(xForceScreenSaverReq);
REQUEST_SIZE_MATCH(xForceScreenSaverReq);
if ((stuff->mode != ScreenSaverReset) &&
(stuff->mode != ScreenSaverActive))
{
client->errorValue = stuff->mode;
return BadValue;
}
SaveScreens(SCREEN_SAVER_FORCER, (int)stuff->mode);
return client->noClientException;
}
int ProcNoOperation(ClientPtr client)
{
REQUEST_AT_LEAST_SIZE(xReq);
return(client->noClientException);
}
void
InitProcVectors(void)
{
int i;
for (i = 0; i<256; i++)
{
if(!ProcVector[i])
{
ProcVector[i] = SwappedProcVector[i] = ProcBadRequest;
ReplySwapVector[i] = ReplyNotSwappd;
}
}
for(i = LASTEvent; i < 128; i++)
{
EventSwapVector[i] = NotImplemented;
}
}
char dispatchExceptionAtReset = DE_RESET;
void
CloseDownClient(ClientPtr client)
{
Bool really_close_down = client->clientGone ||
client->closeDownMode == DestroyAll;
if (!client->clientGone)
{
if (grabState != GrabNone && grabClient == client)
{
UngrabServer(client);
}
BITCLEAR(grabWaiters, client->index);
DeleteClientFromAnySelections(client);
ReleaseActiveGrabs(client);
DeleteClientFontStuff(client);
if (!really_close_down)
{
FreeClientNeverRetainResources(client);
client->clientState = ClientStateRetained;
if (ClientStateCallback)
{
NewClientInfoRec clientinfo;
clientinfo.client = client;
clientinfo.prefix = (xConnSetupPrefix *)NULL;
clientinfo.setup = (xConnSetup *) NULL;
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
}
client->clientGone = TRUE;
if (ClientIsAsleep(client))
ClientSignal (client);
ProcessWorkQueueZombies();
CloseDownConnection(client);
if (client->clientState != ClientStateInitial &&
client->clientState != ClientStateAuthenticating )
{
--nClients;
}
}
if (really_close_down)
{
if (client->clientState == ClientStateRunning && nClients == 0)
dispatchException |= dispatchExceptionAtReset;
client->clientState = ClientStateGone;
if (ClientStateCallback)
{
NewClientInfoRec clientinfo;
clientinfo.client = client;
clientinfo.prefix = (xConnSetupPrefix *)NULL;
clientinfo.setup = (xConnSetup *) NULL;
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
FreeClientResources(client);
#ifdef XSERVER_DTRACE
XSERVER_CLIENT_DISCONNECT(client->index);
#endif
if (client->index < nextFreeClientID)
nextFreeClientID = client->index;
clients[client->index] = NullClient;
#ifdef SMART_SCHEDULE
SmartLastClient = NullClient;
#endif
xfree(client);
while (!clients[currentMaxClients-1])
currentMaxClients--;
}
}
static void
KillAllClients(void)
{
int i;
for (i=1; i<currentMaxClients; i++)
if (clients[i]) {
clients[i]->closeDownMode = DestroyAll;
CloseDownClient(clients[i]);
}
}
extern int clientPrivateLen;
extern unsigned *clientPrivateSizes;
extern unsigned totalClientSize;
void InitClient(ClientPtr client, int i, pointer ospriv)
{
client->index = i;
client->sequence = 0;
client->clientAsMask = ((Mask)i) << CLIENTOFFSET;
client->clientGone = FALSE;
if (i)
{
client->closeDownMode = DestroyAll;
client->lastDrawable = (DrawablePtr)WindowTable[0];
client->lastDrawableID = WindowTable[0]->drawable.id;
}
else
{
client->closeDownMode = RetainPermanent;
client->lastDrawable = (DrawablePtr)NULL;
client->lastDrawableID = INVALID;
}
client->lastGC = (GCPtr) NULL;
client->lastGCID = INVALID;
client->numSaved = 0;
client->saveSet = (SaveSetElt *)NULL;
client->noClientException = Success;
#ifdef DEBUG
client->requestLogIndex = 0;
#endif
client->requestVector = InitialVector;
client->osPrivate = ospriv;
client->swapped = FALSE;
client->big_requests = FALSE;
client->priority = 0;
client->clientState = ClientStateInitial;
#ifdef XKB
if (!noXkbExtension) {
client->xkbClientFlags = 0;
client->mapNotifyMask = 0;
QueryMinMaxKeyCodes(&client->minKC,&client->maxKC);
}
#endif
client->replyBytesRemaining = 0;
#ifdef XAPPGROUP
client->appgroup = NULL;
#endif
client->fontResFunc = NULL;
#ifdef SMART_SCHEDULE
client->smart_priority = 0;
client->smart_start_tick = SmartScheduleTime;
client->smart_stop_tick = SmartScheduleTime;
client->smart_check_tick = SmartScheduleTime;
#endif
}
int
InitClientPrivates(ClientPtr client)
{
char *ptr;
DevUnion *ppriv;
unsigned *sizes;
unsigned size;
int i;
if (totalClientSize == sizeof(ClientRec))
ppriv = (DevUnion *)NULL;
else if (client->index)
ppriv = (DevUnion *)(client + 1);
else
{
ppriv = (DevUnion *)xalloc(totalClientSize - sizeof(ClientRec));
if (!ppriv)
return 0;
}
client->devPrivates = ppriv;
sizes = clientPrivateSizes;
ptr = (char *)(ppriv + clientPrivateLen);
if (ppriv)
bzero(ppriv, totalClientSize - sizeof(ClientRec));
for (i = clientPrivateLen; --i >= 0; ppriv++, sizes++)
{
if ( (size = *sizes) )
{
ppriv->ptr = (pointer)ptr;
ptr += size;
}
else
ppriv->ptr = (pointer)NULL;
}
if (!client->index && ClientStateCallback)
{
NewClientInfoRec clientinfo;
clientinfo.client = client;
clientinfo.prefix = (xConnSetupPrefix *)NULL;
clientinfo.setup = (xConnSetup *) NULL;
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
return 1;
}
ClientPtr NextAvailableClient(pointer ospriv)
{
int i;
ClientPtr client;
xReq data;
i = nextFreeClientID;
if (i == MAXCLIENTS)
return (ClientPtr)NULL;
clients[i] = client = (ClientPtr)xalloc(totalClientSize);
if (!client)
return (ClientPtr)NULL;
InitClient(client, i, ospriv);
InitClientPrivates(client);
if (!InitClientResources(client))
{
xfree(client);
return (ClientPtr)NULL;
}
data.reqType = 1;
data.length = (sz_xReq + sz_xConnClientPrefix) >> 2;
if (!InsertFakeRequest(client, (char *)&data, sz_xReq))
{
FreeClientResources(client);
xfree(client);
return (ClientPtr)NULL;
}
if (i == currentMaxClients)
currentMaxClients++;
while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID])
nextFreeClientID++;
if (ClientStateCallback)
{
NewClientInfoRec clientinfo;
clientinfo.client = client;
clientinfo.prefix = (xConnSetupPrefix *)NULL;
clientinfo.setup = (xConnSetup *) NULL;
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
return(client);
}
int
ProcInitialConnection(ClientPtr client)
{
REQUEST(xReq);
xConnClientPrefix *prefix;
int whichbyte = 1;
prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
if ((prefix->byteOrder != 'l') && (prefix->byteOrder != 'B'))
return (client->noClientException = -1);
if (((*(char *) &whichbyte) && (prefix->byteOrder == 'B')) ||
(!(*(char *) &whichbyte) && (prefix->byteOrder == 'l')))
{
client->swapped = TRUE;
SwapConnClientPrefix(prefix);
}
stuff->reqType = 2;
stuff->length += ((prefix->nbytesAuthProto + (unsigned)3) >> 2) +
((prefix->nbytesAuthString + (unsigned)3) >> 2);
if (client->swapped)
{
swaps(&stuff->length, whichbyte);
}
ResetCurrentRequest(client);
return (client->noClientException);
}
int
SendConnSetup(ClientPtr client, char *reason)
{
xWindowRoot *root;
int i;
int numScreens;
char* lConnectionInfo;
xConnSetupPrefix* lconnSetupPrefix;
if (reason)
{
xConnSetupPrefix csp;
csp.success = xFalse;
csp.lengthReason = strlen(reason);
csp.length = (csp.lengthReason + (unsigned)3) >> 2;
csp.majorVersion = X_PROTOCOL;
csp.minorVersion = X_PROTOCOL_REVISION;
if (client->swapped)
WriteSConnSetupPrefix(client, &csp);
else
(void)WriteToClient(client, sz_xConnSetupPrefix, (char *) &csp);
(void)WriteToClient(client, (int)csp.lengthReason, reason);
return (client->noClientException = -1);
}
numScreens = screenInfo.numScreens;
lConnectionInfo = ConnectionInfo;
lconnSetupPrefix = &connSetupPrefix;
nClients++;
client->requestVector = client->swapped ? SwappedProcVector : ProcVector;
client->sequence = 0;
#ifdef XAPPGROUP
XagConnectionInfo (client, &lconnSetupPrefix, &lConnectionInfo, &numScreens);
#endif
((xConnSetup *)lConnectionInfo)->ridBase = client->clientAsMask;
((xConnSetup *)lConnectionInfo)->ridMask = RESOURCE_ID_MASK;
#ifdef MATCH_CLIENT_ENDIAN
((xConnSetup *)lConnectionInfo)->imageByteOrder = ClientOrder (client);
((xConnSetup *)lConnectionInfo)->bitmapBitOrder = ClientOrder (client);
#endif
root = (xWindowRoot *)(lConnectionInfo + connBlockScreenStart);
#ifdef PANORAMIX
if (noPanoramiXExtension)
numScreens = screenInfo.numScreens;
else
numScreens = ((xConnSetup *)ConnectionInfo)->numRoots;
#endif
for (i=0; i<numScreens; i++)
{
unsigned int j;
xDepth *pDepth;
root->currentInputMask = WindowTable[i]->eventMask |
wOtherEventMasks (WindowTable[i]);
pDepth = (xDepth *)(root + 1);
for (j = 0; j < root->nDepths; j++)
{
pDepth = (xDepth *)(((char *)(pDepth + 1)) +
pDepth->nVisuals * sizeof(xVisualType));
}
root = (xWindowRoot *)pDepth;
}
if (client->swapped)
{
WriteSConnSetupPrefix(client, lconnSetupPrefix);
WriteSConnectionInfo(client,
(unsigned long)(lconnSetupPrefix->length << 2),
lConnectionInfo);
}
else
{
(void)WriteToClient(client, sizeof(xConnSetupPrefix),
(char *) lconnSetupPrefix);
(void)WriteToClient(client, (int)(lconnSetupPrefix->length << 2),
lConnectionInfo);
}
client->clientState = ClientStateRunning;
if (ClientStateCallback)
{
NewClientInfoRec clientinfo;
clientinfo.client = client;
clientinfo.prefix = lconnSetupPrefix;
clientinfo.setup = (xConnSetup *)lConnectionInfo;
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
return (client->noClientException);
}
int
ProcEstablishConnection(ClientPtr client)
{
char *reason, *auth_proto, *auth_string;
xConnClientPrefix *prefix;
REQUEST(xReq);
prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
auth_proto = (char *)prefix + sz_xConnClientPrefix;
auth_string = auth_proto + ((prefix->nbytesAuthProto + 3) & ~3);
if ((prefix->majorVersion != X_PROTOCOL) ||
(prefix->minorVersion != X_PROTOCOL_REVISION))
reason = "Protocol version mismatch";
else
reason = ClientAuthorized(client,
(unsigned short)prefix->nbytesAuthProto,
auth_proto,
(unsigned short)prefix->nbytesAuthString,
auth_string);
if (client->clientState == ClientStateCheckingSecurity)
client->clientState = ClientStateCheckedSecurity;
else if (client->clientState != ClientStateAuthenticating)
return(SendConnSetup(client, reason));
return(client->noClientException);
}
_X_EXPORT void
SendErrorToClient(ClientPtr client, unsigned majorCode, unsigned minorCode,
XID resId, int errorCode)
{
xError rep;
rep.type = X_Error;
rep.sequenceNumber = client->sequence;
rep.errorCode = errorCode;
rep.majorCode = majorCode;
rep.minorCode = minorCode;
rep.resourceID = resId;
WriteEventsToClient (client, 1, (xEvent *)&rep);
}
void
DeleteWindowFromAnySelections(WindowPtr pWin)
{
int i;
for (i = 0; i< NumCurrentSelections; i++)
if (CurrentSelections[i].pWin == pWin)
{
if (SelectionCallback)
{
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.kind = SelectionWindowDestroy;
CallCallbacks(&SelectionCallback, &info);
}
CurrentSelections[i].pWin = (WindowPtr)NULL;
CurrentSelections[i].window = None;
CurrentSelections[i].client = NullClient;
}
}
static void
DeleteClientFromAnySelections(ClientPtr client)
{
int i;
for (i = 0; i< NumCurrentSelections; i++)
if (CurrentSelections[i].client == client)
{
if (SelectionCallback)
{
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.kind = SelectionWindowDestroy;
CallCallbacks(&SelectionCallback, &info);
}
CurrentSelections[i].pWin = (WindowPtr)NULL;
CurrentSelections[i].window = None;
CurrentSelections[i].client = NullClient;
}
}
void
MarkClientException(ClientPtr client)
{
client->noClientException = -1;
}
#ifdef XSERVER_DTRACE
#include <ctype.h>
static void LoadRequestNames(void)
{
int i;
FILE *xedb;
extern void LoadExtensionNames(char **RequestNames);
bzero(RequestNames, 256 * sizeof(char *));
xedb = fopen(XERRORDB_PATH, "r");
if (xedb != NULL) {
char buf[256];
while (fgets(buf, sizeof(buf), xedb)) {
if ((strncmp("XRequest.", buf, 9) == 0) && (isdigit(buf[9]))) {
char *name;
i = strtol(buf + 9, &name, 10);
if (RequestNames[i] == 0) {
char *end = strchr(name, '\n');
if (end) { *end = '\0'; }
RequestNames[i] = strdup(name + 1);
}
}
}
fclose(xedb);
}
LoadExtensionNames(RequestNames);
for (i = 0; i < 256; i++) {
if (RequestNames[i] == 0) {
#define RN_SIZE 12
RequestNames[i] = xalloc(RN_SIZE);
if (RequestNames[i]) {
snprintf(RequestNames[i], RN_SIZE, "Request#%d", i);
}
}
}
}
static void FreeRequestNames(void)
{
int i;
for (i = 0; i < 256; i++) {
if (RequestNames[i] != 0) {
free(RequestNames[i]);
RequestNames[i] = 0;
}
}
}
#endif